All SI Series servos all feature brushless motors and 4096 steps of resolution giving ultra precise control and low current draw. The SI Series servos feature a machined outer case which locates directly on the brushless motor to provide cooling, increasing efficiency and strength. Also features O Ring seals between case sections and even on the retaining screws.
Xpert RC SI-4431 Brushless Servo 19.25kg 0.07 Sec 6.6v Alloy Center Case 4.8-6.6v
Xpert RC SI-4531 Brushless Servo 20.90kg 0.90 Sec 6.6v Alloy Centre Case 4.8-6.6v
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